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RME User Forum → FireWire & USB series → Adding Audient ASP880 to original UFX...
I ordered two Toslink ADAT optical cables to connect to UFX. Do I also need to get a word clock cable? I have no idea what word clock is. I am using Original Fireface UFX and I just grabbed a used Audient ASP880 for $835.00. Going into Logic X...
You can use word clock over the Adat link
You can use word clock over the Adat link
Hi, sorry this makes no sense, there is not something like a combination of Word Clock and ADAT .. these are completely separate things.
The word clock is via separate word clock cabling with 75 Ohm cables.
If you want to clock through ADAT this is generally possible but not with UFX as master, as the Audient has no ADAT input.
A clock signal can only be send from a clock master to an ADAT or AES or MADI output and being received over this medium from a clock slave getting it on a corresponding input.
The audient has no ADAT input, thus you can't get the clock through ADAT as clock slave.
It would also be possible to make one Audient clock master and the UFX to clock slave. Steadyclock will eliminate any clock jitter and then you only need WC (word clock) implementation / cabling between UFX and Audient.
The audient seems to have also a digital port with AES or something in that range. You need to look whether you can make use of it, have no time to look at such detail to that particular Audient device. But maybe you find another good solution.
I personally would prefer to have the device as clock master, that is directly attached to the computer. In this case the UFX.
Then you set the sample rate in the DAW/application, the UFX would be set to the proper sample rate by the ASIO driver and ideally the audients would get clock as clock slave e.g. through WC.
If you make one of the Audients to a clock master its possible, but if you have changing sample rates, then you always need to configure the sample rate at the audient.
And ... if you have the UFX as clock master, then you do not need to turn on the Audients all the time ... so plan "wisely" 
I didn’t look at the Audent. I wrongly assumed it had adat in as bjm ordered two cables. My mistake.
I didn’t look at the Audent. I wrongly assumed it had adat in as bjm ordered two cables. My mistake.
No big deal, things like that happen
I ordered two cables to be able to send 96K signals from the Audient to UFX at 4 channels each. So, should I grab a word clock cable? Do I need it? I just record organically and do not use metronome for my recordings. I still don't get what word clock is. Does it synch the waveforms?
No it keeps the digital clocks in sync between the units. You definitely need to keep them in sync. It’s nothing to do with the timing of your recordings. It sounds like you would be best getting a cable for word clock and have the ufx as master. A quick google shows they are relatively cheap. I’m sure someone could direct you on what is suitable. The connectors are just bnc and they look to be 75ohm.
https://www.thomannmusic.ch/sommer_cabl … ohm_2m.htm
You might additionally need
https://www.thomann.de/de/pro_snake_bnc … stueck.htm
and
https://www.thomann.de/de/pro_snake_res … ms_bnc.htm
Because the Audient has only one WC connector.
RES means 75 Ohm Resistor
CABLE can be either 75 Ohm or alternatively also 50 Ohm if you have, manual of the HDSP 9632 WCM module mentions this possibility. It should be possible to use a 50 Ohm cable if you use 75 Ohm Resistors at both ends.
So option one:
UFX-WC OUT-------T------------T------------T-RES
^ | |
| Aud Aud
|
WC Termination enabled on the back of the unit (little blue square switch)
Alternatively:
RES-T------------T------------T-RES
| | |
UFX Aud Aud
Chapter 10.2 of this manual gives a few additional hints in terms of WC connections:
https://archiv.rme-audio.de/download/9632wcm_e.pdf
@bjm - if you need basic explanation about what Word Clock is, Audient happens to have a nice introduction with example setups:
https://support.audient.com/hc/en-us/ar … -Explained
If you want to record in 96 khz, and you use your UFX as Word Clock Master (which is the best config also imo): look at the RME Settings Dialogue as laid out in the Manual p. 32 - go to Clock Mode, set Sample Rate to 96.000 and Clock Source to Internal. If your Word Clock (BNC) cable from UFX WC Out to the Audient’s WC In is wired correctly as pointed out in the replies above, if your Audient interface is correctly set as Clock Slave, and your recording session in Logic is set to 96.000 hz - then all should work fine.
Config and troubleshooting for the Audient 880 is also explained here: https://support.audient.com/hc/en-us/ar … ng-Issues-
For some background on Word Clock, and more complex configuration examples, I also like this detailed vintage article here. It mentions some outdated problems such as DAT machines, and high-quality (and high-price) external clock generators as the go-to solution. But rest assured that every current RME interface has a built-in top of the line low-jitter clock which is more than sufficient in use cases like yours.
https://www.audiotechnology.com/PDF/14/ … lained.pdf
Best!
RME User Forum → FireWire & USB series → Adding Audient ASP880 to original UFX...
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